An electromagnet is a temporary magnet due to which of the following
the magnet is only present when a current is present
the magnet is only present when the domains are not aligned
the magnet is only present when the current is turned off
the magnet is only present when the resistance is high

answer: the correct answer is   air pressure at the top of mount everest is higher than at the bottom of the grand canyon.

hope this : )

explanation:

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2